Home / 42,162.47-63,239.00-12,573.35

Finding the Fourth Proportional to 42,162.47, 63,239.00 and 12,573.35

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Solution

The fourth proportional to 42,162.47, 63,239.00 and 12,573.35 is: 18,858.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,162.47 : 63,239.00 = 12,573.35 : x
  2. Step 2: Convert to fraction form
    42,162.47/63,239.00 = 12,573.35/x
  3. Step 3: Cross multiply
    42,162.47x = 63,239.00 × 12,573.35
  4. Step 4: Simplify right side
    42,162.47x = 795,126,222.68
  5. Step 5: Solve for x
    x = 795,126,222.68/42,162.47
  6. Step 6: Final answer
    x = 18,858.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.